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推荐 4538
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推荐 4538
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推荐 1722
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推荐 1722
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LED发光音乐盒（四）
Step4Amplifier,speakerandsounddetectorNowitstimetotestthespeaker,amplifierandsoundsensor.Allthesecircuitboardsshouldalreadybeoutoftheircases.First,connectthespeakertotheampifhasnotbeendonesoalready.Addpowerthethewholethingbyconnectingittoitsada
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推荐 1568
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推荐 1568
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LED发光音乐盒（三）
Step3LEDsOnceallthecontrollersareoutoftheircases,itstimetotestandconnecttheLEDs.Repeat3x:Cutoffa15LEDstripfromthe90cmrollyoubought.Testifallthecoloursworkbyusingapowersupply,andworkingyourwaythroughthe4connections.Youshouldseethesecolours:-Red-
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推荐 1375
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推荐 1375
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LED发光音乐盒（二）
Step2TakecoversoffFirst,makesureyouhaveeverything.PutitalltoonesideandjustkeeptheLEDcontrollersandsoundcontroller.Takethecoversoffthese,butbecareful.Groundyourselffirstsothatnocircuitboardsareblown.Wearegoingtotakethemoutsothatallthecircuitsare
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推荐 5600
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推荐 5600
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LED发光音乐盒（一）
LEDMusicLightBoxIbuiltthisforaschoolartprojecttocomparethesimilaritiesanddifferencesbetweenartandscience.ItwasinspiredbyWalterGierswork.ThethreestripsofLEDsandanotherringinthemiddle,allrespondtomusicwhichcomesfromeitherasourceintheroom,or
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推荐 2154
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推荐 2154
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另一种PCB快速原型法（五）
Step5EtchingThefinalstepistoetchyourboard.Imnotgoingtogointodetailhereasthisisacommonprocessandyoushouldalreadybefamiliarwithit.Ifyourenotfamiliarwithit,lookaroundInstructablesandyoushouldfindplentyofgreatguides.Remembertowipetheinkawaywi
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推荐 2277
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推荐 2277
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另一种PCB快速原型法（四）
Step4DrawingthemaskBeforecontinuing,scrubyourboardwiththescouringpaduntilitsshiny.Itsalsoagoodideatocleantheboardwithacetoneandkitchenwipes.Dontusethesamedirtyspottocleanyourboard.Trytoavoidtouchingthecoppersurfaceoftheboardfromthispointonwards
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推荐 7013
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推荐 7013
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另一种PCB快速原型法（三）
Step3DrillingtheholesCutanappropriatelysizedpieceofcoppercladboardforthedesignthatyoumade.Youdonthavetoscruborcleantheboardupyetatthispoint.Whatwewanttodohereistousetheveroboardasatemplatetodrillalltheholesneededforthecomponents.Holdupboththeve
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推荐 2216
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推荐 2216
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另一种PCB快速原型法（二）
Step2PCBdesignThefirsttaskistodesignyourlayout.Thereisoneconstrainwhenusingthismethod.Thecomponents,ormoreaccuratelytheleadsofthecomponents,mustbestrictlyplacedona0.1"grid.Thisisbecausewellbeusingaveroboardasatemplateandifyourdesignwontfit
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推荐 2417
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推荐 2417
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另一种PCB快速原型法（一）
AnotherQuickPCBPrototypingMethodThisInstructableispartofmyCurrentRegulatedLEDTesterIusethismethodwhenIneedtomakeaPCBthatssimple,proof-of-concept,andquick.Thismethodisgenerallyrestrictedtomakingthrough-holecomponentPCBs.Idontusuallyl
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推荐 5864
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推荐 5864
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SDRAM使用的一点心得
SDRAM选用HY57V641620ET，接在C5509外部存储器接口的CE0空间。SDRAM的工作频为72MHz，这是由C5509EMIF的特点决定的，SDRAM的工作频率必须是主频率的一半，而主频率为144MHz。所以SDRAM的工作频率必须为72MHz。在使用SDRAM之前，需要对EMIF进行设置，配置的过程是：清空E
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推荐 3749
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推荐 3749
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MSP430初认识【原创】
1xx.pdf2xx.pdf4xx.pdf我将我的文章定位为与新手的分享，所以我想有层次性的介绍一下TI的这款芯片。由百度百科可知MSP430系列单片机是TI1996年开始推向市场的一种16位超低功耗、具有精简指令集的混合信号处理器。它具有超低功耗的特点，可以通过设置工作在不同的低功耗
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推荐 2801
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推荐 2801
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自作一个高性能的三基色LED控制器（八）
Step13Themountinghardware.Iliketomakemykitsascompleteaspossible,sothisoneevencomeswithfourmountingpillarsandscrewstoletyouattachittoapanelormountitintoanenclosure.EvenifyouintendtoleaveitoutonyourbenchIdrecommendatleastclippingtheplasticspacers
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推荐 2133
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推荐 2133
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自作一个高性能的三基色LED控制器（七）
Step11InstallingthepowerMOSFETs.TheMOSFETsaresolderedinwiththeirmetaltabsfacingthesideofthePCBwiththediodeasshown.Ithelpstosolderthemiddleleadofeach,thencarefullylinethemallupbeforesolderingtheotherleads.Step12Fittingtheprocessor.Th
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推荐 1428
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推荐 1428
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自作一个高性能的三基色LED控制器（六）
Step9Installingtheterminalblock.ThisisoneofthemostexpensivecomponentsonthePCB.Itisaruggedindustrialratedconnectionblockforattachingwireseasilytothemodule.Thisparticularonehaswhatarecalledrisingclampterminalswhichmakesthemveryeasytoputwire
